LAARS Heating Systems
Page 4
2.2 Specifications, 125 MBH and 140 MBH
Model Name
MFTHW120
MFTHW140
Gas Input Rate
MAX
120,000 Btu/h
140,000 Btu/h
MIN
24,000 Btu/h
28,000 Btu/h
Installation
Indoor / Wall hung type
Flue System
Sealed Combustion Direct / Single Vent /Sidewall
Vent
Vent Run
2˝(50ft) , 3˝(100ft) Schedule 40 CPVC, PP
Orifice Size
NG
0.213˝ (5.4mm)
0.255˝ (6.5mm)
LP
0.173˝ (4.4mm)
0.191˝ (4.85mm)
Gas Supply Pressure
NG
3.5˝ WC to 14.0˝ WC
LP
3.5˝ WC to 14.0˝ WC
Manifold Pressure
Gas type
LP
NG
Max fire
-0.216
˝
WC
-0.216
˝
WC
Min fire
0.00
˝
WC
0.00
˝
WC
Power Supply
Main Supply
120V 60Hz / 4A
Maximum Power
Consumption
160W
Ignition System
Direct Electronic Ignition / Automatic Flame Sensing
Burner System
Single Orifice Premixed Fuel Modulation Metal
Ceramic Infrared
Gas Valve System
Combination modulating (Current proportional)
Dimensions
W17.3˝ - H29.0˝ – D14.9˝
Weight
100 lbs
Main Controller / Control Display
NGTB-900CP / P-950EH
Water Pressure
CH Min 15 ~ Max 30 PSI
Connection Sizes
CH Supply/Return
1 ¼˝ NPT
Gas Inlet
3/4˝ NPT
Materials
Casing
Cold Rolled Carbon Steel
Heat Exchanger
Primary Heat Exchanger : Stainless Steel
Sub Heat Exchanger : Stainless Steel
Safety Devices
Flame Rod, Overheat Cut Off Device, Gas Valve
Operation Detector, Water Temperature Sensor,
Over-heat Limit Switch,
Содержание mascot ft MFTHW
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